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almond37 [142]
2 years ago
6

Is 3x + 5x equivalent to 15x?

Mathematics
2 answers:
Makovka662 [10]2 years ago
8 0

Answer:

Non, 3x+5x=8x

3x+5x≠15x

Darya [45]2 years ago
7 0

Answer: No

Step-by-step explanation:

You’re adding them together if you were multiply then it would be 15x^2

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Beatrice built about 1/3 of a sandcastle. Linda built 4/7 of the same castle. What fraction of the sandcastle did they build tog
wlad13 [49]

Answer    

Find out the what fraction of the sandcastle did they build together .

To prove

Let us assume that the fraction of the sandcastle  they build together be x .

As given

Beatrice\ built\ about\ \frac{1}{3}\ of\ a\ sandcastle.

Linda\ built\ \frac{4}{7}\ of\ the\ same\ castle.

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x = \frac{1}{3} +\frac{4}{7}

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Hence proved



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3 years ago
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katrin [286]

Answer:

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Step-by-step explanation:

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3 years ago
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Step-by-step explanation:

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expeople1 [14]
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3 = c/5 + 2
3 = c/7
21/7 = c/7
21 = c
4 0
3 years ago
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